1 files changed, 437 insertions, 0 deletions
diff --git a/cli/lib.rs b/cli/lib.rs
new file mode 100644
index 000000000..ff8f02239
--- /dev/null
+++ b/cli/lib.rs
@@ -0,0 +1,437 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+#[macro_use]
+extern crate lazy_static;
+#[macro_use]
+extern crate log;
+#[macro_use]
+extern crate futures;
+#[macro_use]
+extern crate serde_json;
+extern crate clap;
+extern crate deno;
+extern crate deno_cli_snapshots;
+extern crate indexmap;
+#[cfg(unix)]
+extern crate nix;
+extern crate rand;
+extern crate serde;
+extern crate serde_derive;
+extern crate url;
+
+pub mod colors;
+pub mod compilers;
+pub mod deno_dir;
+pub mod deno_error;
+pub mod diagnostics;
+mod disk_cache;
+mod file_fetcher;
+pub mod flags;
+pub mod fmt_errors;
+mod fs;
+mod global_timer;
+mod http_body;
+mod http_util;
+mod import_map;
+pub mod msg;
+pub mod ops;
+pub mod permissions;
+mod progress;
+mod repl;
+pub mod resolve_addr;
+pub mod resources;
+mod shell;
+mod signal;
+pub mod source_maps;
+mod startup_data;
+pub mod state;
+mod tokio_read;
+mod tokio_util;
+mod tokio_write;
+pub mod version;
+pub mod worker;
+
+use crate::progress::Progress;
+use crate::state::ThreadSafeState;
+use crate::worker::Worker;
+use deno::v8_set_flags;
+use deno::ErrBox;
+use deno::ModuleSpecifier;
+use flags::DenoFlags;
+use flags::DenoSubcommand;
+use futures::lazy;
+use futures::Future;
+use log::Level;
+use log::Metadata;
+use log::Record;
+use std::env;
+
+static LOGGER: Logger = Logger;
+
+struct Logger;
+
+impl log::Log for Logger {
+  fn enabled(&self, metadata: &Metadata) -> bool {
+    metadata.level() <= log::max_level()
+  }
+
+  fn log(&self, record: &Record) {
+    if self.enabled(record.metadata()) {
+      let mut target = record.target().to_string();
+
+      if let Some(line_no) = record.line() {
+        target.push_str(":");
+        target.push_str(&line_no.to_string());
+      }
+
+      println!("{} RS - {} - {}", record.level(), target, record.args());
+    }
+  }
+  fn flush(&self) {}
+}
+
+fn print_err_and_exit(err: ErrBox) {
+  eprintln!("{}", err.to_string());
+  std::process::exit(1);
+}
+
+fn js_check(r: Result<(), ErrBox>) {
+  if let Err(err) = r {
+    print_err_and_exit(err);
+  }
+}
+
+fn create_worker_and_state(
+  flags: DenoFlags,
+  argv: Vec<String>,
+) -> (Worker, ThreadSafeState) {
+  use crate::shell::Shell;
+  use std::sync::Arc;
+  use std::sync::Mutex;
+  let shell = Arc::new(Mutex::new(Shell::new()));
+  let progress = Progress::new();
+  progress.set_callback(move |_done, _completed, _total, status, msg| {
+    if !status.is_empty() {
+      let mut s = shell.lock().unwrap();
+      s.status(status, msg).expect("shell problem");
+    }
+  });
+  // TODO(kevinkassimo): maybe make include_deno_namespace also configurable?
+  let state = ThreadSafeState::new(flags, argv, progress, true)
+    .map_err(print_err_and_exit)
+    .unwrap();
+  let worker = Worker::new(
+    "main".to_string(),
+    startup_data::deno_isolate_init(),
+    state.clone(),
+  );
+
+  (worker, state)
+}
+
+fn types_command() {
+  let content = deno_cli_snapshots::get_asset("lib.deno_runtime.d.ts").unwrap();
+  println!("{}", content);
+}
+
+fn print_cache_info(worker: Worker) {
+  let state = worker.state;
+
+  println!(
+    "{} {:?}",
+    colors::bold("DENO_DIR location:".to_string()),
+    state.dir.root
+  );
+  println!(
+    "{} {:?}",
+    colors::bold("Remote modules cache:".to_string()),
+    state.dir.deps_cache.location
+  );
+  println!(
+    "{} {:?}",
+    colors::bold("TypeScript compiler cache:".to_string()),
+    state.dir.gen_cache.location
+  );
+}
+
+pub fn print_file_info(
+  worker: Worker,
+  module_specifier: &ModuleSpecifier,
+) -> impl Future<Item = Worker, Error = ()> {
+  let state_ = worker.state.clone();
+  let module_specifier_ = module_specifier.clone();
+
+  state_
+    .file_fetcher
+    .fetch_source_file_async(&module_specifier)
+    .map_err(|err| println!("{}", err))
+    .and_then(|out| {
+      println!(
+        "{} {}",
+        colors::bold("local:".to_string()),
+        out.filename.to_str().unwrap()
+      );
+
+      println!(
+        "{} {}",
+        colors::bold("type:".to_string()),
+        msg::enum_name_media_type(out.media_type)
+      );
+
+      state_
+        .clone()
+        .fetch_compiled_module(&module_specifier_)
+        .map_err(|e| {
+          debug!("compiler error exiting!");
+          eprintln!("\n{}", e.to_string());
+          std::process::exit(1);
+        })
+        .and_then(move |compiled| {
+          if out.media_type == msg::MediaType::TypeScript
+            || (out.media_type == msg::MediaType::JavaScript
+              && state_.ts_compiler.compile_js)
+          {
+            let compiled_source_file = state_
+              .ts_compiler
+              .get_compiled_source_file(&out.url)
+              .unwrap();
+
+            println!(
+              "{} {}",
+              colors::bold("compiled:".to_string()),
+              compiled_source_file.filename.to_str().unwrap(),
+            );
+          }
+
+          if let Ok(source_map) = state_
+            .clone()
+            .ts_compiler
+            .get_source_map_file(&module_specifier_)
+          {
+            println!(
+              "{} {}",
+              colors::bold("map:".to_string()),
+              source_map.filename.to_str().unwrap()
+            );
+          }
+
+          if let Some(deps) =
+            worker.state.modules.lock().unwrap().deps(&compiled.name)
+          {
+            println!("{}{}", colors::bold("deps:\n".to_string()), deps.name);
+            if let Some(ref depsdeps) = deps.deps {
+              for d in depsdeps {
+                println!("{}", d);
+              }
+            }
+          } else {
+            println!(
+              "{} cannot retrieve full dependency graph",
+              colors::bold("deps:".to_string()),
+            );
+          }
+          Ok(worker)
+        })
+    })
+}
+
+fn info_command(flags: DenoFlags, argv: Vec<String>) {
+  let (mut worker, state) = create_worker_and_state(flags, argv.clone());
+
+  // If it was just "deno info" print location of caches and exit
+  if argv.len() == 1 {
+    return print_cache_info(worker);
+  }
+
+  let main_module = state.main_module().unwrap();
+  let main_future = lazy(move || {
+    // Setup runtime.
+    js_check(worker.execute("denoMain()"));
+    debug!("main_module {}", main_module);
+
+    worker
+      .execute_mod_async(&main_module, true)
+      .map_err(print_err_and_exit)
+      .and_then(move |()| print_file_info(worker, &main_module))
+      .and_then(|worker| {
+        worker.then(|result| {
+          js_check(result);
+          Ok(())
+        })
+      })
+  });
+  tokio_util::run(main_future);
+}
+
+fn fetch_command(flags: DenoFlags, argv: Vec<String>) {
+  let (mut worker, state) = create_worker_and_state(flags, argv.clone());
+
+  let main_module = state.main_module().unwrap();
+  let main_future = lazy(move || {
+    // Setup runtime.
+    js_check(worker.execute("denoMain()"));
+    debug!("main_module {}", main_module);
+
+    worker.execute_mod_async(&main_module, true).then(|result| {
+      js_check(result);
+      Ok(())
+    })
+  });
+  tokio_util::run(main_future);
+}
+
+fn eval_command(flags: DenoFlags, argv: Vec<String>) {
+  let (mut worker, state) = create_worker_and_state(flags, argv);
+  // Wrap provided script in async function so asynchronous methods
+  // work. This is required until top-level await is not supported.
+  let js_source = format!(
+    "async function _topLevelWrapper(){{
+        {}
+      }}
+      _topLevelWrapper();
+      ",
+    &state.argv[1]
+  );
+
+  let main_future = lazy(move || {
+    js_check(worker.execute("denoMain()"));
+    // ATM imports in `deno eval` are not allowed
+    // TODO Support ES modules once Worker supports evaluating anonymous modules.
+    js_check(worker.execute(&js_source));
+    worker.then(|result| {
+      js_check(result);
+      Ok(())
+    })
+  });
+  tokio_util::run(main_future);
+}
+
+fn xeval_command(flags: DenoFlags, argv: Vec<String>) {
+  let xeval_replvar = flags.xeval_replvar.clone().unwrap();
+  let (mut worker, state) = create_worker_and_state(flags, argv);
+  let xeval_source = format!(
+    "window._xevalWrapper = async function ({}){{
+        {}
+      }}",
+    &xeval_replvar, &state.argv[1]
+  );
+
+  let main_future = lazy(move || {
+    // Setup runtime.
+    js_check(worker.execute(&xeval_source));
+    js_check(worker.execute("denoMain()"));
+    worker
+      .then(|result| {
+        js_check(result);
+        Ok(())
+      })
+      .map_err(print_err_and_exit)
+  });
+  tokio_util::run(main_future);
+}
+
+fn bundle_command(flags: DenoFlags, argv: Vec<String>) {
+  let (mut _worker, state) = create_worker_and_state(flags, argv);
+
+  let main_module = state.main_module().unwrap();
+  assert!(state.argv.len() >= 3);
+  let out_file = state.argv[2].clone();
+  debug!(">>>>> bundle_async START");
+  let bundle_future = state
+    .ts_compiler
+    .bundle_async(state.clone(), main_module.to_string(), out_file)
+    .map_err(|err| {
+      debug!("diagnostics returned, exiting!");
+      eprintln!("");
+      print_err_and_exit(err);
+    })
+    .and_then(move |_| {
+      debug!(">>>>> bundle_async END");
+      Ok(())
+    });
+  tokio_util::run(bundle_future);
+}
+
+fn run_repl(flags: DenoFlags, argv: Vec<String>) {
+  let (mut worker, _state) = create_worker_and_state(flags, argv);
+
+  // REPL situation.
+  let main_future = lazy(move || {
+    // Setup runtime.
+    js_check(worker.execute("denoMain()"));
+    worker
+      .then(|result| {
+        js_check(result);
+        Ok(())
+      })
+      .map_err(|(err, _worker): (ErrBox, Worker)| print_err_and_exit(err))
+  });
+  tokio_util::run(main_future);
+}
+
+fn run_script(flags: DenoFlags, argv: Vec<String>) {
+  let use_current_thread = flags.current_thread;
+  let (mut worker, state) = create_worker_and_state(flags, argv);
+
+  let main_module = state.main_module().unwrap();
+  // Normal situation of executing a module.
+  let main_future = lazy(move || {
+    // Setup runtime.
+    js_check(worker.execute("denoMain()"));
+    debug!("main_module {}", main_module);
+
+    worker
+      .execute_mod_async(&main_module, false)
+      .and_then(move |()| {
+        js_check(worker.execute("window.dispatchEvent(new Event('load'))"));
+        worker.then(|result| {
+          js_check(result);
+          Ok(())
+        })
+      })
+      .map_err(print_err_and_exit)
+  });
+
+  if use_current_thread {
+    tokio_util::run_on_current_thread(main_future);
+  } else {
+    tokio_util::run(main_future);
+  }
+}
+
+fn version_command() {
+  println!("deno: {}", version::DENO);
+  println!("v8: {}", version::v8());
+  println!("typescript: {}", version::TYPESCRIPT);
+}
+
+pub fn main() {
+  #[cfg(windows)]
+  ansi_term::enable_ansi_support().ok(); // For Windows 10
+
+  log::set_logger(&LOGGER).unwrap();
+  let args: Vec<String> = env::args().collect();
+  let (flags, subcommand, argv) = flags::flags_from_vec(args);
+
+  if let Some(ref v8_flags) = flags.v8_flags {
+    v8_set_flags(v8_flags.clone());
+  }
+
+  let log_level = match flags.log_level {
+    Some(level) => level,
+    None => Level::Warn,
+  };
+  log::set_max_level(log_level.to_level_filter());
+
+  match subcommand {
+    DenoSubcommand::Bundle => bundle_command(flags, argv),
+    DenoSubcommand::Completions => {}
+    DenoSubcommand::Eval => eval_command(flags, argv),
+    DenoSubcommand::Fetch => fetch_command(flags, argv),
+    DenoSubcommand::Info => info_command(flags, argv),
+    DenoSubcommand::Repl => run_repl(flags, argv),
+    DenoSubcommand::Run => run_script(flags, argv),
+    DenoSubcommand::Types => types_command(),
+    DenoSubcommand::Version => version_command(),
+    DenoSubcommand::Xeval => xeval_command(flags, argv),
+  }
+}